HPMC F 50 Hydroxypropyl Methyl Cellulose (HPMC) | |
Ti ara onínọmbà | |
Ifarahan | Funfun si die-die ni pipa-funfun fibrous tabi granular lulú. |
Idanimọ A si E | Ṣe ibamu |
Irisi ojutu | Ṣe ibamu |
Methoxy | 27.0-30.0% |
Hydroxypropoxy | 4.0-7.5% |
Pipadanu lori gbigbe | 5.0% ti o pọju |
Aloku lori iginisonu | 1.5% ti o pọju |
pH | 5.0-8.0 |
Irisi ti o han gbangba | 40-60cps |
Iwọn patiku | Min.98% kọja nipasẹ 100 apapo |
Awọn Irin Eru | |
Eru Irin | ≤10ppm |
Arsenic | ≤3ppm |
Asiwaju | ≤3ppm |
Makiuri | ≤1ppm |
Cadmium | ≤1ppm |
Micro kokoro arun | |
Lapapọ kika awo | ≤1000cfu/g |
Iwukara ati Mold | ≤100cfu/g |
Coli fọọmu | Kò sí/g |
Salmonella | Kò sí/g |
EipponCell HPMC F 50 jẹ ipinfunni pataki ti a lo ninu ile-iṣẹ polyvinyl kiloraidi (PVC).Lakoko polymerization idadoro ti fainali kiloraidi, o ṣe awọn iṣẹ pupọ.Ni akọkọ, o dinku ẹdọfu interfacial laarin fainali kiloraidi monomer (VCM) ati omi, ni irọrun aṣọ ati pipinka iduroṣinṣin ti VCM ni alabọde olomi.Ni ẹẹkeji, o ṣe idiwọ idapọpọ ti awọn droplets VCM ni ipele ibẹrẹ ti polymerization.Nikẹhin, o ṣe idiwọ ifọkanbalẹ laarin awọn patikulu polima ni agbedemeji ati awọn ipele nigbamii ti ilana naa.Ninu eto polymerization idadoro, EipponCell HPMC F 50 ṣe ipa meji ti pipinka VCM ati idaniloju iduroṣinṣin.
Polyvinyl kiloraidi (PVC) resini pẹlu iwọn kekere ti polymerization ni igbagbogbo tọka si resini PVC pẹlu iwọn polymerization ni isalẹ 800. Iru resini yii, nitori iwuwo molikula kekere rẹ, iwuwo ti o han gbangba, omi yo ti o dara, akoko ṣiṣu ṣiṣu kukuru, ati irọrun ti sisẹ, wa awọn ohun elo ti o gbooro ni iṣelọpọ dì, awọn ohun elo pipe mimu abẹrẹ, mimu mimu, ati iṣelọpọ awọn resini ti a ti yipada (bii chlorinated polyvinyl chloride nipasẹ chlorination jin ti resini kiloraidi fainali), laarin awọn miiran.Sibẹsibẹ, resini PVC pẹlu iwọn kekere ti polymerization ṣe afihan porosity kekere ati awọn patikulu resini iwapọ.Fiimu patiku ti a ṣẹda nipasẹ alọmọ copolymerization ti dispersants ati fainali kiloraidi duro lati wa ni jo nipọn, eyi ti o le ikolu awọn resini ká processing iṣẹ ati ọwọ iyipada.
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